a corps perdu
airily
any old way
any which way
anyhow
apathetically
bunglingly
carelessly
casually
clumsily
cursorily
desperately
disinterestedly
dispassionately
disregardfully
forgetfully
furiously
haphazardly
happen what may
hastily
head over heels
headfirst
headforemost
headlong
heels over head
helter-skelter
hit and miss
hit or miss
holus-bolus
hotheadedly
hurriedly
hurry-scurry
impetuously
inadvertently
inattentively
inconsiderately
indeliberately
insouciantly
involuntarily
lackadaisically
like crazy
like mad
listlessly
madly
messily
mindlessly
negligently
nonchalantly
offhand
offhandedly